31212120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8969}}^1$

素因数の和:9012

約数の個数: 64

約数和(自身を含む): 96876000

約数和(自身を除く): 65663880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 8969, 17938, 26907, 35876, 44845, 53814, 71752, 89690, 107628, 134535, 179380, 215256, 260101, 269070, 358760, 520202, 538140, 780303, 1040404, 1076280, 1300505, 1560606, 2080808, 2601010, 3121212, 3901515, 5202020, 6242424, 7803030, 10404040, 15606060, 31212120]

約数ペア:

[(1, 31212120), (2, 15606060), (3, 10404040), (4, 7803030), (5, 6242424), (6, 5202020), (8, 3901515), (10, 3121212), (12, 2601010), (15, 2080808), (20, 1560606), (24, 1300505), (29, 1076280), (30, 1040404), (40, 780303), (58, 538140), (60, 520202), (87, 358760), (116, 269070), (120, 260101), (145, 215256), (174, 179380), (232, 134535), (290, 107628), (348, 89690), (435, 71752), (580, 53814), (696, 44845), (870, 35876), (1160, 26907), (1740, 17938), (3480, 8969)]